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Photosynthesis

This category is for questions about the chemical process in which autotrophic organisms use sunlight, carbon dioxide and water to make glucose, water and oxygen. This process is vital to life and is of great importance in biology.

6,415 Questions

How and why do humans use photosynthesis?

Humans are not primarily photosynthetic. Plants are. Plants use sunlight to synthesize chemicals that they need. They do not eat. Humans, in comparison, are omnivorous. We eat food to gain energy, so we do not need photosynthetic skin. However, we humans do synthesize vitamin D with the help of sunlight, so to that small extent we do engage in photosynthesis.

Why do plants do photosynthesis?

Plants perform photosynthesis to generate energy in the form of glucose using sunlight, water, and carbon dioxide. This process allows them to produce their own food and oxygen, which is important for their growth and survival.

What are the 3 types of cells where photosynthesis occurs?

The three types of cells where photosynthesis occurs are leaf cells, stem cells, and root cells. Photosynthesis primarily takes place in the chloroplasts of these cells, where sunlight is used to convert carbon dioxide and water into glucose and oxygen.

How are Plant structures and functions related to photosynthesis?

Plant structures such as leaves contain chloroplasts where photosynthesis takes place. The function of leaves is to facilitate photosynthesis by capturing sunlight and exchanging gases with the environment. Photosynthesis enables plants to produce glucose, which is used for energy and growth, linking plant structures to their ability to perform this vital process.

What is taken in the cell during respiration?

Oxygen is taken in and glucose is used. Water, Carbon dioxide and energ are created.

What is a host plant?

Usually we use the term host plant when one plant is used by larvae of insects as a place to feed and grow up, but when larger they feed externally and construct distinctive protective silken cases, often incorporating plant material. Many species have specific host plants, discarded larval cases often scattered thickly on affected plants.

What materials are needed for photosynthesis?

The materials that are needed for photosynthesis are carbon dioxide from the air and water from the soil, and sunlight as an energy source. Chlorophyll, the green pigment in plants, is needed as a catalyst to perform photosynthesis.

There are other requirements that vary by plant, including nitrogen and other elements within a plant. However, once the plant is functional it uses:

  • chlorophyll (in chloroplasts)
  • light energy (sunlight or artificial)
  • water (typically collected by roots)
  • carbon dioxide (absorbed through the leaves

What is the role of chlorophyll in photosynthesis?

Chlorophyll is a pigment that absorbs light energy from the sun during photosynthesis. This energy is used to convert carbon dioxide and water into glucose, a form of chemical energy that plants can use for growth and development. Chlorophyll is essential for capturing light energy and initiating the process of photosynthesis in plants.

What two processes have to occur for photosynthesis to take place?

Photosynthesis requires two processes to occur: light reactions and dark reactions. During light reactions, light energy is absorbed by chlorophyll in the chloroplasts, which converts it into chemical energy in the form of ATP and NADPH. These energy-carrying molecules are then used in the dark reactions, where carbon dioxide is fixed and converted into glucose through the Calvin cycle.

What organelle is used for photosynthesis?

The chloroplast is the main organelle of photosynthesis and its biochemistry.

How do plants with only read leaves carry on photosynthesis?

Plants with red leaves can still carry out photosynthesis because they contain the same pigment chlorophyll, which is essential for capturing sunlight and converting it into energy. Although the red pigments can mask the green chlorophyll, it still functions effectively in photosynthesis. The red color may also serve other purposes, such as protection from excess light or attracting pollinators.

2 stages of photosynthesis?

The 2 stages are light-dependent stage and the light-independent stage.

In the light-dependent stage,

photolysis of water

12H20 --------> 6O2 + 24H

Light energy is converted to Chemical energy

In the light-independent stage,

enzyme controlled reaction

6CO2 + 24H -----------------> C6H12O6 + 6H20

Why is photosythesis important?

Photo-Synthesis is important to a plant's life. It produces food for it through this process. Without this process plants will not be there and hence we will be not here.

How pollution affects photosynthesis?

this is a really tough question to answer...anyway few points are 1. Dry deposition of particles and gases on the plant decreases the photosynthesis[Bergin et al., 2001 and sitch et al., 2007]. But nitrogen deposition is good for plants. 2.Acid rain is hazardous to the plant health. Pollution (particles present in the atmosphere) increases the diffuse radiation and this icreases photosynthesis. vijayakumar

What is a by-product of photosynthesis?

Oxygen is a by-product of photosynthesis. During the process of photosynthesis, plants take in carbon dioxide and water and convert them into glucose (sugar) and oxygen using sunlight as energy. This oxygen is then released into the atmosphere as a waste product.

Where does photosynthesis take place in plant cells?

Within the plant cells (usually leaf cells), the cytoplasm contains organelles called chloroplasts where photosynthesis takes place. Each chloroplast contains stacks of structures called thylakoids, which contain the chlorophyll.

What is the main product of photosynthesis?

The main product of photosynthesis is glucose, which is a type of sugar. This glucose molecule serves as the main source of energy for plants to grow and carry out their metabolic functions.

How was oxygen formed?

The first oxygen on earth was produced by a blue green bacteria called cyanobacteria. They had no used for it, it was just waste in their process of making glucose as food using sunlight (the glucose was then fermented when the energy was needed). The waste oxygen poisoned many life forms. Eventually some life forms evolved that could use oxygen and also protected themselves from its poisonous character.

What is produced as a result of photosynthesis?

Oxygen and glucose (sugar) are produced as a result of photosynthesis. Oxygen is released into the atmosphere, while glucose is stored by the plant as energy or used for growth and development.

Does photosynthesis need the suns heat energy or the suns light energy?

Photosynthesis primarily relies on the sun's light energy, which is captured by chlorophyll in plant cells to drive the photosynthetic process. While some heat energy may be generated as a byproduct of photosynthesis, it is not the main source of energy for the process.

What is the function of pigments in photosynthesis?

Pigments, such as chlorophyll, absorb light energy during photosynthesis. This energy is used to drive the conversion of carbon dioxide and water into glucose and oxygen. Pigments help plants capture and utilize light energy efficiently for the process of photosynthesis.

What part of the leaf cells make the Pokemon LeafGreen?

The Chloroplasts in leaf cells are responsible for the green coloration, which inspired the name "LeafGreen" in the Pokemon series. The game features a leaf motif and green color palette to reflect this natural connection.

What is the most abundant protein in chloroplasts?

Could be: Ribulose-1,5-bisphosphate carboxylase oxygenase also known as Rubisco

How do you perform auto fellaito?

Most people won't be able to do that - they are simply not flexible enough. Better don't try too hard; you may get hurt.